Home / 142,077.30-213,060.27-53,282.40

Finding the Fourth Proportional to 142,077.30, 213,060.27 and 53,282.40

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Solution

The fourth proportional to 142,077.30, 213,060.27 and 53,282.40 is: 79,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,077.30 : 213,060.27 = 53,282.40 : x
  2. Step 2: Convert to fraction form
    142,077.30/213,060.27 = 53,282.40/x
  3. Step 3: Cross multiply
    142,077.30x = 213,060.27 × 53,282.40
  4. Step 4: Simplify right side
    142,077.30x = 11,352,362,530.25
  5. Step 5: Solve for x
    x = 11,352,362,530.25/142,077.30
  6. Step 6: Final answer
    x = 79,902.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.